What is the integral from-7 to 0 of (3+sqrt(49-x^2)) ?

The integral from-7 to 0 of (3+sqrt(49-x^2)) is 21+(49pi)/4

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integral from-7 to 0 of (3+sqrt(49-x^2))

\int_{- 7}^{0} (3 + 49 - x^{2}) d x

21 + \frac{49 π}{4}

Decimal

59.48451 \dots

Solution steps

\int_{- 7}^{0} 3 + 49 - x^{2} d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int_{- 7}^{0} 3 d x + \int_{- 7}^{0} 49 - x^{2} d x

\int_{- 7}^{0} 3 d x = 21

\int_{- 7}^{0} 49 - x^{2} d x = \frac{49 π}{4}

= 21 + \frac{49 π}{4}

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What is the integral from-7 to 0 of (3+sqrt(49-x^2)) ?
The integral from-7 to 0 of (3+sqrt(49-x^2)) is 21+(49pi)/4